The root of the equation $3x = \dfrac{{20}}{7} - x$ is
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The root of the equation $3x = \dfrac{{20}}{7} - x$ is
10/7
20/21
5/7
-5/7
3x = 20/7 - x. Add x to both sides: 4x = 20/7. Divide by 4: x = 5/7.
To solve the linear equation 3x = 20/7 - x, first group the variable terms by adding x to both sides to get 4x = 20/7. Then, divide both sides by 4 to isolate x, giving x = 5/7.